538873664 has 28 divisors (see below), whose sum is σ = 1222089504. Its totient is φ = 230945664.

The previous prime is 538873639. The next prime is 538873681. The reversal of 538873664 is 466378835.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 600974 + ... + 601869.

Almost surely, 2^538873664 is an apocalyptic number.

It is an amenable number.

538873664 is an abundant number, since it is smaller than the sum of its proper divisors (683215840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

538873664 is a wasteful number, since it uses less digits than its factorization.

538873664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202862 (or 1202852 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 50.

The square root of 538873664 is about 23213.6525346616. The cubic root of 538873664 is about 813.7587156404.

The spelling of 538873664 in words is "five hundred thirty-eight million, eight hundred seventy-three thousand, six hundred sixty-four".